======================== unified (from filesystem) ========================
                                         'bitrate'  '320.035'
                                        'duration'  '472'
                                          'artist'  'Ozric Tentacles'
                                     'text_people'  ''
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                                           'title'  'Wob Glass'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  ("['instrumental', 'psychedelic rock', 'space rock', 'progressive rock', "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '8'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic-space;set-pl-progspace'
                                             'bpm'  '117'
                                             'key'  '6B'
                                        'acoustid'  '6323ac7c-c4ba-43c0-9f64-d1a0dc717a2d'
rest: ''

======================== rawer (from filesystem) ========================

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'TBPM' (BPM (beats per minute))                     '117'
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'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Wob Glass'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Ozric Tentacles'
'TPE2' (Band/orchestra/accompaniment)               'Ozric Tentacles'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Dovetail Records'
'TRCK' (Track number/Position in set)               '4/8'
'TSO2'                                              'Ozric Tentacles'
'TSOP' (Performer sort order)                       'Ozric Tentacles'
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'TXXX:Artists'                                      'Ozric Tentacles'
'TXXX:BARCODE'                                      '5018766952605'
'TXXX:CATALOGNUMBER'                                'DOVE CD8'
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'TXXX:MusicBrainz Album Id'                         'c431f341-a9d4-4e13-bb6e-61fea2e7e6bd'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5629ca87-9086-48c4-8dc4-b4a966c45067'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['instrumental',
 'psychedelic rock',
 'space rock',
 'progressive rock',
 'psychedelic']
'TXXX:originalyear'                                 '1995'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.87 dB'
'TXXX:replaygain_track_peak'                        '0.510138'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5dfc71bd-ef86-4fc1-976e-0a835dae6fb7')

========================== row from database ==========================
                                              'id'  236871
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/0psy/Ozric tentacles/Ozric Tentacles - Become The Other - 04-08 - Wob Glass.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  472
                                           'genre'  rock-cppex-psychedelic-space;set-pl-progspace
                                        'filesize'  18997718
                                           'mtime'  1620735985
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 0psy tentacles The 04 08 rock cppex psychedelic space;set pl progspace
                                      'tag_artist'  Ozric Tentacles
                                     'tag_release'  Become the Other
                                       'tag_title'  Wob Glass
                                             'bpm'  117.0
                                    'search_title'  'glass':2 'wob':1
                                   'search_artist'  'ozric':1 'tentacles':2
                                  'search_release'  'become':1 'other':3 'the':2
                                     'search_rest'  '0psy':1 'cppex':5 'pl':11 'progspace':12 'psychedelic':6 'rock':4 'set':8,10 'space':7,9 'tentacles':2 'the':3
                                    'search_combo'  '0psy':8 'become':5C 'cppex':12 'glass':2A 'other':7C 'ozric':3B 'pl':18 'progspace':19 'psychedelic':13 'rock':11 'set':15,17 'space':14,16 'tentacles':4B,9 'the':6C,10 'wob':1A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-4', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['instrumental', 'psychedelic rock', 'space rock', 'progressive rock', 'psychedelic']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620735984.789211  (2021-05-11 14:26:24)
                             'size'  18997718